Staff Engineer — Performance, Reliability & AI Automation

Factorial HR
📍 barcelona, cataluña, Spain 💼 Full-time 🕒 Posted June 07, 2026

Job Description

We are looking for a Staff Software Engineer to join our DX and Performance team at Factorial, focused on performance, reliability, observability, load testing, and AI‑assisted engineering workflows.

Responsibilities

  • Define and evolve SLIs and SLOs for critical product journeys.
  • Improve and standardize observability, dashboards, and service‑health visibility across teams.
  • Investigate bottlenecks and regressions across application, database, asynchronous, and system layers.
  • Drive improvements in latency, throughput, scalability, and reliability.
  • Build and structure load‑testing workflows for critical paths.
  • Help teams validate system behavior under realistic traffic, concurrency, and tenant‑scale conditions.
  • Analyze capacity, saturation, and behavior under peak load and growth scenarios.
  • Define practices and tooling to help prevent performance regressions before production.
  • Work closely wi...

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Job Details

  • Location barcelona, cataluña
  • Job Type Full-time
  • Category Ingeniería y tecnología
  • Posted Date June 07, 2026
  • Application Deadline July 17, 2026